[Qgis-user] QGIS 2.18 vs. QGIS 3

[Patrick Dunford]

2.18 can read 3's project files well but stuff like styles may not be 
interpreted.


On 01/03/18 22:37, Andreas Neumann wrote:
>
> Hi Strumbi,
>
> They can be installed and run in parallel. They have independent settings.
>
> The only restriction is: once you have saved a project in QGIS 3, 
> there may be no way back to 2.18.
>
> The other thing to watch out is plugins or Python code: plugins and 
> Python code from QGIS 2.x don't run in QGIS 3.x. They have to be 
> revised because of the change from Python 2 to Python 3 and qt4 to 
> qt5. In addition, the QGIS API changed considerably. Theoretically, a 
> plugin can be written to work in both QGIS 2 and QGIS 3, but in 
> practice, such plugins don't exist very often.
>
> Greetings,
>
> Andreas
>
>
> On 01.03.2018 10:22, Velizar Strumberger wrote:
>> Hello
>> I apologize if this question has been asked already. Should I 
>> uninstall QGIS 2.18 before I install QGIS 3.
>> Thank you
>> Strumbi
>>
>>
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